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01.1.1观察物体（三）_ev.mp4 | 2024-02-29 14:31:25 | 89.39 MB | |
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01.3.14 3.15 3.16长方体正方体 专项练习.pdf.pdf | 2024-02-29 14:31:25 | 213.61 KB | |
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02.2.1认识因数和倍数_ev.mp4 | 2024-02-29 14:31:25 | 66.54 MB | |
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02.赠：5下课时练.pdf.pdf | 2024-02-29 14:31:25 | 1.47 MB | |
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03.2.2找一个数的因数和倍数_ev.mp4 | 2024-02-29 14:31:25 | 96.69 MB | |
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03.7.3 7.4折线统计图 专项练习.pdf.pdf | 2024-02-29 14:31:25 | 318.87 KB | |
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04.2.3-2和5的倍数特征_ev.mp4 | 2024-02-29 14:31:25 | 82.83 MB | |
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04.2.8 2.9观察物体、因数与倍数专项练习.pdf.pdf | 2024-02-29 14:31:25 | 667.78 KB | |
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05.2.4--3的倍数特征_ev.mp4 | 2024-02-29 14:31:25 | 103.8 MB | |
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05.5.4 5.5图形的运动 专项练习.pdf.pdf | 2024-02-29 14:31:25 | 646.04 KB | |
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06.2.5-质数和合数_ev.mp4 | 2024-02-29 14:31:25 | 111.02 MB | |
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06.6.7 6.8分数的加法和减法 专项练习.pdf.pdf | 2024-02-29 14:31:25 | 497.12 KB | |
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07.2.6奇数和偶数的运算性质.mp4 | 2024-02-29 14:31:25 | 107.77 MB | |
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07.4.14 4.15 4.16分数的意义和性质 专项练习.pdf.pdf | 2024-02-29 14:31:25 | 253.75 KB | |
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08.2.7因数与倍数-重点复习.mp4 | 2024-02-29 14:31:25 | 147.68 MB | |
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09.2.8观察物体、因数与倍数-专项练习1.mp4 | 2024-02-29 14:31:25 | 119.82 MB | |
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10.2.9观察物体、因数与倍数-专项练习2.mp4 | 2024-02-29 14:31:25 | 169.67 MB | |
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11.3.1认识长方体.mp4 | 2024-02-29 14:31:25 | 82.41 MB | |
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12.3.2认识正方体.mp4 | 2024-02-29 14:31:25 | 99.47 MB | |
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13.3.3长方体正方体的表面积（1）.mp4 | 2024-02-29 14:31:25 | 70.27 MB | |
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14.3.4长方体和正方体表面积（2）.mp4 | 2024-02-29 14:31:25 | 93.49 MB | |
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15.3.5体积单位.mp4 | 2024-02-29 14:31:25 | 102.14 MB | |
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16.3.6长方体和正方体的体积.mp4 | 2024-02-29 14:31:25 | 66.36 MB | |
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17.3.7长方体和正方体体积-重点练习.mp4 | 2024-02-29 14:31:25 | 121.09 MB | |
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18.3.8体积单位间的进率.mp4 | 2024-02-29 14:31:25 | 198.91 MB | |
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19.3.9长方体和正方体体积重点练习.mp4 | 2024-02-29 14:31:25 | 146.44 MB | |
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20.3.10容积和容积单位.mp4 | 2024-02-29 14:31:25 | 119.19 MB | |
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21.3.11求不规则物体体积.mp4 | 2024-02-29 14:31:25 | 125.3 MB | |
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22.3.12长方体和正方体-整理与复习.mp4 | 2024-02-29 14:31:25 | 149.1 MB | |
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23.3.13探索表面涂色的正方体的有关规律.mp4 | 2024-02-29 14:31:25 | 152.29 MB | |
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24.3.14长方体和正方体-专项练习1.mp4 | 2024-02-29 14:31:25 | 91.99 MB | |
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25.3.15长方体和正方体-专项练习2.mp4 | 2024-02-29 14:31:25 | 76.26 MB | |
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26.3.16长方体和正方体-专项练习3.mp4 | 2024-02-29 14:31:25 | 98.47 MB | |
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27.4.1分数的产生和意义.mp4 | 2024-02-29 14:31:25 | 95.1 MB | |
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28.4.3真分数和假分数.mp4 | 2024-02-29 14:31:25 | 147.71 MB | |
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29.4.2分数与除法的关系.mp4 | 2024-02-29 14:31:25 | 80.9 MB | |
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30.4.4假分数化成整数和带分数.mp4 | 2024-02-29 14:31:25 | 70.38 MB | |
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31.4.5分数的基本性质.mp4 | 2024-02-29 14:31:25 | 105.85 MB | |
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32.4.6求最大公因数.mp4 | 2024-02-29 14:31:25 | 158.83 MB | |
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33.赠：小动画01-观察物体.mp4 | 2024-02-29 14:31:25 | 44.15 MB | |
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34.赠：小动画02-2.3.5倍数特征.mp4 | 2024-02-29 14:31:25 | 32.59 MB | |
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35.赠：小动画03-分解质因数.mp4 | 2024-02-29 14:31:25 | 53.4 MB | |
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36.赠：小动画04-长方体和正方体表面积.mp4 | 2024-02-29 14:31:25 | 51.66 MB | |
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37.赠：小动画05-长方体和正方体的体积.mp4 | 2024-02-29 14:31:25 | 50.34 MB | |
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38.4.7最大公因数的应用.mp4 | 2024-02-29 14:31:25 | 292.16 MB |
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39.4.8约分.mp4 | 2024-02-29 14:31:25 | 145.33 MB | |
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40.4.9最小公倍数.mp4 | 2024-02-29 14:31:25 | 153.86 MB | |
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41.4.10最小公倍数的应用.mp4 | 2024-02-29 14:31:25 | 153.73 MB | |
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42.4.11通分.mp4 | 2024-02-29 14:31:25 | 149.94 MB | |
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43.4.12分数和小数的互化.mp4 | 2024-02-29 14:31:25 | 130.69 MB | |
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44.4.13最大公因数和最小公倍数-重点练习.mp4 | 2024-02-29 14:31:25 | 131.33 MB | |
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45.4.14分数的意义和性质--专项练习1.mp4 | 2024-02-29 14:31:25 | 167.81 MB | |
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46.4.15分数的意义和性质--专项练习2.mp4 | 2024-02-29 14:31:25 | 91.64 MB | |
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47.4.15分数的意义和性质-专项练习3.mp4 | 2024-02-29 14:31:25 | 76.61 MB | |
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48.5.1图形的旋转.mp4 | 2024-02-29 14:31:25 | 184.87 MB | |
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49.5.2旋转（2）.mp4 | 2024-02-29 14:31:25 | 163.22 MB | |
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50.5.3平移和旋转的应用.mp4 | 2024-02-29 14:31:25 | 152.01 MB | |
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51.5.4图形的运动-专项练习1.mp4 | 2024-02-29 14:31:25 | 158.38 MB | |
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52.5.5图形运动-专项练习2.mp4 | 2024-02-29 14:31:25 | 136.34 MB | |
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53.6.1同分母分数相加减.mp4 | 2024-02-29 14:31:25 | 79.74 MB | |
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54.6.2异分母分数加减法.mp4 | 2024-02-29 14:31:25 | 130.02 MB | |
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55.6.3分数加减混合运算.mp4 | 2024-02-29 14:31:25 | 155.76 MB | |
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56.6.4分数加减简便运算.mp4 | 2024-02-29 14:31:25 | 138.46 MB | |
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57.6.5分数加减法的应用-喝牛奶问题.mp4 | 2024-02-29 14:31:25 | 233.05 MB |
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58.6.6打电话.mp4 | 2024-02-29 14:31:25 | 188.98 MB | |
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59.6.7分数加减法-专项练习1.mp4 | 2024-02-29 14:31:25 | 135.18 MB | |
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60.6.8分数加减法-专项练习2.mp4 | 2024-02-29 14:31:25 | 193.73 MB | |
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61.7.1认识折线统计图.mp4 | 2024-02-29 14:31:25 | 107.05 MB | |
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62.7.2复式折线统计图.mp4 | 2024-02-29 14:31:25 | 168.21 MB | |
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63.7.3折线统计图-专项练习1.mp4 | 2024-02-29 14:31:25 | 163.34 MB | |
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64.7.4折线统计图-专项练习2.mp4 | 2024-02-29 14:31:25 | 82.63 MB | |
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65.赠：小动画-06分数的认识.mp4 | 2024-02-29 14:31:25 | 86.54 MB | |
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66.赠：小动画-07约分与通分.mp4 | 2024-02-29 14:31:25 | 85.06 MB |